CA399297A - Grattoir a traine - Google Patents

Grattoir a traine

Info

Publication number
CA399297A
CA399297A CA399297A CA399297DA CA399297A CA 399297 A CA399297 A CA 399297A CA 399297 A CA399297 A CA 399297A CA 399297D A CA399297D A CA 399297DA CA 399297 A CA399297 A CA 399297A
Authority
CA
Canada
Prior art keywords
type scraper
drag type
drag
scraper
type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA399297A
Other languages
English (en)
Inventor
L. Thomas John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA399297A publication Critical patent/CA399297A/fr
Expired legal-status Critical Current

Links

CA399297A Grattoir a traine Expired CA399297A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399297T

Publications (1)

Publication Number Publication Date
CA399297A true CA399297A (fr) 1941-09-16

Family

ID=35409757

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399297A Expired CA399297A (fr) Grattoir a traine

Country Status (1)

Country Link
CA (1) CA399297A (fr)

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